Family name Otenga (Otenga 
) , in the entire world, is a rare cognomen. The family name Otenga is characteristic of Kenya, where it is a rare surname, France, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Otenga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Otenga | Kenya, United States, France, Philippines |